A201691 Number of permutations avoiding the pattern 132 (with a dot over the 2).

1, 1, 2, 4, 13, 58, 299, 180

Offset

1,3

Links

Table of n, a(n) for n=1..8.

J.-L. Baril, Classical sequences revisited with permutations avoiding dotted pattern, Electronic Journal of Combinatorics, 18 (2011), #P178.

Crossrefs

Cf. A201690.

Sequence in context: A039831 A173184 A111977 * A020120 A020097 A139149

Adjacent sequences: A201688 A201689 A201690 * A201692 A201693 A201694

Keyword

nonn,more

Author

N. J. A. Sloane, Dec 03 2011

Status

approved